Lesser Noctule vs Splayed Deerfly

Nyctalus leisleri compared with Chrysops caecutiens

Key Differences

• Lesser Noctule is Endangered while Splayed Deerfly is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Splayed Deerfly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Diptera (Diptera)
Family	Vespertilionidae	Tabanidae
Genus	Nyctalus	Chrysops
Species	Nyctalus leisleri	Chrysops caecutiens

Evolutionary Relationship

Lesser Noctule and Splayed Deerfly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Splayed Deerfly

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Splayed Deerfly
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Splayed Deerfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden